| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Norway | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Working stone | |
| #4 | Grinding tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jonsson Gunnar | 9 |
| #2 | Oden Anders | 8 |
| #3 | Jonsson G | 3 |
| #4 | Holmsten Leo | 2 |
| #5 | Oden A | 2 |
| #6 | Eriksson S | 1 |
| #7 | Eriksson Sune | 1 |
| #8 | Lagerstedt Arne | 1 |
| #9 | Andersson Stephan | 1 |
| #10 | Lidstrand Eskil | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO9105132A1 | Reamer | |
| AU4185089A | A device for boring holes in the ground | |
| DE3918132A1 | Device for holding a tool within a pipe sunk into the ground | |
| EP0340194A1 | Hose or pipe coupling |